The pressure relief valve helps to control pressure build up within a closed system. It is set to proportionally react to increasing pressure in the system to ensure the pressure within the system doesn't reach a dangerous level ..
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Technical Specifications
TypeSafety ReliefToilet Cistern CapacityFTW--Supplier Part Number5015010Brand NameRavenheat
Reviews
472537
Ravenheat 5015010 Safety Relief Valve 3Bar Screw Fit